:root{
    --bg:#E6EBF2;
    --nav:#F5F7FB;
    --white:#FFFFFF;
    --soft:#EEF2F7;
    --soft2:#DDE4EE;
    --blue:#289CFF;
    --nav-text:#4E5F7A;
    --text:#243447;
    --muted:#66788A;
    --hint:#8A9AAF;
    --footer:#243447;
    --footer-text:#EAF3FF;
    --border:rgba(40,156,255,0.16);
    --shadow:0 14px 36px rgba(56,92,138,0.12);
    --btn:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.75;
    overflow-x:hidden;
}
a{color:var(--blue);text-decoration:none;transition:.2s ease}
a:hover{color:#1E90F0}
img{max-width:100%;height:auto;display:block}
.container{width:min(1200px,calc(100% - 40px));margin:0 auto}
.site-header{
    position:sticky;
    top:0;
    z-index:9999;
    background:#F5F7FB;
    backdrop-filter:blur(10px);
    box-shadow:0 8px 24px rgba(56,92,138,0.10);
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    min-height:72px;
}
.logo{flex:0 0 auto;display:flex;align-items:center;min-width:128px}
.logo img{max-height:52px;width:auto}
.nav-wrap{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.nav{display:flex;align-items:center;gap:22px;white-space:nowrap;flex-wrap:nowrap}
.nav-link,.dropdown-toggle{
    position:relative;
    color:#4E5F7A;
    font-weight:700;
    font-size:15px;
    border:0;
    background:transparent;
    cursor:pointer;
    padding:25px 0 22px;
    font-family:inherit;
}
.nav-link.active,.dropdown.active .dropdown-toggle,.more-dropdown.active .dropdown-toggle{color:var(--blue)}
.nav-link.active:after,.dropdown.active .dropdown-toggle:after,.more-dropdown.active .dropdown-toggle:after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:14px;
    height:3px;border-radius:99px;background:var(--blue);
}
.dropdown,.more-dropdown{position:relative}
.dropdown-menu,.more-menu{
    position:absolute;
    top:100%;left:0;
    min-width:180px;
    background:#FFFFFF;
    border:1px solid rgba(40,156,255,0.12);
    border-radius:14px;
    box-shadow:0 18px 38px rgba(56,92,138,0.16);
    z-index:10000;
    padding:8px;
    opacity:0;
    visibility:hidden;
    transform:translateY(10px);
    transition:.18s ease;
}
.more-menu{right:0;left:auto;min-width:200px}
.dropdown:hover .dropdown-menu,.more-dropdown:hover .more-menu,.dropdown.open .dropdown-menu,.more-dropdown.open .more-menu{
    opacity:1;visibility:visible;transform:translateY(0);
}
.dropdown-menu a,.more-menu a{
    display:block;
    padding:11px 14px;
    color:#4E5F7A;
    white-space:nowrap;
    border-radius:10px;
    font-weight:600;
}
.dropdown-menu a:hover,.more-menu a:hover{color:#289CFF;background:rgba(40,156,255,0.08)}
.header-action{flex:0 0 auto;display:flex;align-items:center}
.main-btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:42px;
    padding:0 22px;
    border-radius:999px;
    background:var(--btn);
    color:#FFFFFF!important;
    font-weight:800;
    box-shadow:0 10px 24px rgba(36,155,255,0.25);
    border:0;
    white-space:nowrap;
}
.main-btn:hover{background:linear-gradient(180deg,#48D9F7 0%,#1E90F0 100%);transform:translateY(-1px)}
.menu-toggle{display:none;border:0;background:transparent;width:42px;height:42px;padding:9px;border-radius:12px}
.menu-toggle span{display:block;height:2px;background:#4E5F7A;margin:6px 0;border-radius:3px}
.mobile-drawer,.drawer-mask{display:none}
main{min-height:60vh}.page{padding:34px 0 64px}
.banner-slider{
    max-width:1200px;
    height:clamp(220px,37vw,510px);
    margin:28px auto 36px;
    border-radius:20px;
    background:#FFFFFF;
    box-shadow:0 18px 40px rgba(56,92,138,0.12);
    overflow:hidden;
    position:relative;
    z-index:1;
}
.slider-track,.slide{height:100%}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .45s ease;background:#FFFFFF;display:flex;align-items:center;justify-content:center}
.slide.is-active{opacity:1;z-index:1}
.banner-slider img{width:100%;height:100%;object-fit:contain;background:#FFFFFF}
.slider-arrow{
    position:absolute;top:50%;transform:translateY(-50%);
    z-index:3;width:42px;height:42px;border:0;border-radius:50%;
    background:rgba(255,255,255,.86);color:#289CFF;font-size:28px;cursor:pointer;
    box-shadow:0 8px 20px rgba(56,92,138,.18);line-height:1;
}
.slider-prev{left:16px}.slider-next{right:16px}
.slider-dots{position:absolute;left:0;right:0;bottom:16px;z-index:3;display:flex;justify-content:center;gap:9px}
.slider-dot{width:10px;height:10px;border-radius:999px;border:0;background:rgba(40,156,255,.28);cursor:pointer;padding:0}
.slider-dot.is-active{width:26px;background:#289CFF}
.banner-caption,.banner-text,.slide-title,.slide-desc,.slide-content,.slide-card,.banner-card{display:none!important}
.hero-card,.section-card,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box{
    background:rgba(255,255,255,0.92);
    border:1px solid rgba(40,156,255,0.16);
    box-shadow:0 14px 36px rgba(56,92,138,0.10);
    border-radius:22px;
}
.hero-card{padding:42px;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;margin-bottom:28px}
h1,h2,h3,.section-title{color:#289CFF;line-height:1.25;margin:0 0 14px}
h1{font-size:clamp(30px,4vw,48px);letter-spacing:-.5px}
h2,.section-title{font-size:clamp(24px,3vw,34px)}
h3{font-size:20px}.lead{font-size:18px;color:#4E5F7A;margin:0 0 18px}.muted{color:var(--muted)}
p{margin:0 0 14px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#289CFF;background:rgba(40,156,255,.10);border-radius:999px;padding:6px 12px;font-weight:800;margin-bottom:14px}
.section{margin:28px 0}.section-card{padding:34px}.section-head{margin-bottom:20px;max-width:820px}
.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.zone-card,.info-card,.review-card,.faq-item{padding:24px}.card .num,.zone-card .tag{color:#289CFF;font-weight:900;margin-bottom:8px;display:block}.text-link{font-weight:800;color:#289CFF}.text-link:after{content:" →"}
.image-shell{border-radius:20px;background:#FFFFFF;border:1px solid rgba(40,156,255,0.12);box-shadow:0 14px 32px rgba(56,92,138,0.08);padding:12px;overflow:hidden}
.content-img,.zone-card img,.app-section img{max-width:100%;height:auto;object-fit:contain;border-radius:16px;background:#FFFFFF;margin:auto}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:center}.split.reverse{grid-template-columns:1.05fr .95fr}.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.pill-list span{display:inline-flex;border-radius:999px;background:#EEF2F7;color:#4E5F7A;padding:8px 13px;font-weight:700}.steps{counter-reset:step;display:grid;gap:14px}.step{position:relative;padding:18px 18px 18px 58px;background:#F5F7FB;border-radius:16px;border:1px solid rgba(40,156,255,.12)}.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:rgba(40,156,255,.12);color:#289CFF;font-weight:900}
.review-card{background:linear-gradient(180deg,rgba(255,255,255,.96),rgba(245,247,251,.92))}.review-name{display:block;color:#289CFF;font-weight:900;margin-top:10px}.faq-list{display:grid;gap:14px}.faq-item h3{font-size:18px;margin-bottom:8px}.notice-box{padding:24px;background:#EEF2F7}.notice-box strong{color:#289CFF}.home-welcome{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}.mini-list{display:grid;gap:12px;margin-top:16px}.mini-list li{background:#F5F7FB;border:1px solid rgba(40,156,255,.12);border-radius:14px;padding:12px 14px}.site-footer{background:#243447;color:#EAF3FF;padding:46px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr .75fr .75fr 1.2fr;gap:28px}.footer-logo img{max-height:54px;width:auto;margin-bottom:14px}.footer-col h3,.footer-notice h3{color:#EAF3FF}.footer-col a{display:block;color:#EAF3FF;opacity:.88;margin:8px 0}.footer-col a:hover{opacity:1;color:#7CC8FF}.footer-brand p,.footer-notice p{color:rgba(234,243,255,.82)}.footer-bottom{text-align:center;border-top:1px solid rgba(234,243,255,.14);padding:16px;color:rgba(234,243,255,.75);margin-top:34px}.table-like{display:grid;gap:12px}.table-row{display:grid;grid-template-columns:160px 1fr;background:#F5F7FB;border:1px solid rgba(40,156,255,.12);border-radius:14px;padding:14px}.table-row strong{color:#289CFF}.safe-note{font-size:14px;color:#66788A;margin-top:14px}
@media (max-width:1100px){.nav{gap:16px}.nav-link,.dropdown-toggle{font-size:14px}.container{width:min(100% - 28px,1200px)}}
@media (max-width:920px){
    .header-inner{min-height:68px;gap:12px;display:grid;grid-template-columns:48px 1fr auto}.menu-toggle{display:block}.nav-wrap{display:none}.logo{justify-content:center;min-width:0}.logo img{max-height:48px}.header-action .main-btn{min-height:38px;padding:0 16px}.site-header{position:sticky}.mobile-drawer,.drawer-mask{display:block}.drawer-mask{position:fixed;inset:0;background:rgba(36,52,71,.42);z-index:10001;opacity:0;visibility:hidden;transition:.22s ease}.mobile-drawer{position:fixed;left:0;top:0;bottom:0;width:min(86vw,320px);background:#FFFFFF;z-index:10002;transform:translateX(-105%);transition:.25s ease;box-shadow:18px 0 36px rgba(36,52,71,.18);overflow-y:auto}.drawer-open .drawer-mask{opacity:1;visibility:visible}.drawer-open .mobile-drawer{transform:translateX(0)}.drawer-open{overflow:hidden}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px;border-bottom:1px solid rgba(40,156,255,.12);background:#F5F7FB}.drawer-logo img{max-height:48px}.drawer-close{border:0;background:#EEF2F7;color:#289CFF;font-size:28px;line-height:1;width:40px;height:40px;border-radius:12px}.drawer-nav{padding:12px}.drawer-nav a{display:block;padding:13px 14px;border-radius:12px;color:#4E5F7A;font-weight:800}.drawer-nav a:hover{background:rgba(40,156,255,.08);color:#289CFF}.hero-card,.home-welcome,.split,.split.reverse{grid-template-columns:1fr}.grid-4,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}.section-card,.hero-card{padding:24px}.page{padding:24px 0 46px}.banner-slider{height:clamp(190px,48vw,360px);margin:20px auto 26px;border-radius:16px}.slider-arrow{width:36px;height:36px;font-size:24px}.table-row{grid-template-columns:1fr;gap:4px}}
@media (max-width:520px){.container{width:calc(100% - 22px)}.header-action .main-btn{padding:0 13px}.hero-card,.section-card,.card,.zone-card,.info-card,.review-card,.faq-item,.notice-box{border-radius:18px}.grid{gap:14px}h1{font-size:29px}.lead{font-size:16px}.banner-slider{height:185px}.slider-prev{left:10px}.slider-next{right:10px}}